When the Chinese pandas at the National Zoo have as much right to representation in the U.S. Congress as any resident in the District of Columbia, you know there's a problem. So says John Oliver, who explored the issue of D.C.'s experience with a lack of representation on Sunday's Last Week Tonight.

As Oliver explains, even though Washingtonians pay federal taxes and fight in wars and the GDP is higher than that of 16 states, D.C. does not have a member of Congress able to vote on behalf of...